找回密碼
 To register

QQ登錄

只需一步,快速開始

掃一掃,訪問微社區(qū)

打印 上一主題 下一主題

Titlebook: Eyes on the Universe; The Story of the Tel Patrick Moore Book 1997 Springer-Verlag London 1997 Galileo Galilei.earth.instruments.observator

[復(fù)制鏈接]
31#
發(fā)表于 2025-3-27 00:12:42 | 只看該作者
32#
發(fā)表于 2025-3-27 01:16:34 | 只看該作者
Funktionsbaustein Temperaturkompensation,f our climate, and all in all it is surprising that so much good observational work has been done from here. Yet only once, and then for a brief period, have we had a really large telescope. This was the Isaac Newton reflector, known popularly as the INT.
33#
發(fā)表于 2025-3-27 06:49:47 | 只看該作者
Grundlagen des Ultraschall-Drahtbondens,enhold Observatory in what used to be East Germany there is the Treptow refractor, which has a 27-inch object-glass but a focal length so long - 60 feet — that it looks remarkably like a gun. Amateurs go in for all sorts of designs, such as mounting telescopes on wheelbarrows so that they can be mov
34#
發(fā)表于 2025-3-27 10:28:32 | 只看該作者
35#
發(fā)表于 2025-3-27 13:45:13 | 只看該作者
David J. Young,James R. McDonaldd to a mechanical drive, and it could never be used for serious photography or spectroscopy. Yet it was by far the most powerful telescope ever built up to that time, and it was used to make fundamental discoveries. Its immense light-grasp meant that it could show objects quite beyond the range of any other existing instrument.
36#
發(fā)表于 2025-3-27 18:30:49 | 只看該作者
Optimierung der Aufspannung und Bearbeitung,iginal reflector; then the Rosse Leviathan, and in the twentieth century the 100-inch at Mount Wilson. Next in sequence comes the Palomar 200-inch, which again was the brainchild of that remarkable man George Ellery Hale.
37#
發(fā)表于 2025-3-28 00:35:22 | 只看該作者
Fachberichte Messen - Steuern - Regelnmore than cancelled out by increased problems of atmospheric turbulence. Certainly the next giant instrument was not a success. In 1976 the Russians set up a 236-inch reflector at Mount Pastukhov, in the Caucasus region, and great things were expected of it.
38#
發(fā)表于 2025-3-28 05:10:21 | 只看該作者
39#
發(fā)表于 2025-3-28 08:21:46 | 只看該作者
,The “Leviathan of Parsonstown”,d to a mechanical drive, and it could never be used for serious photography or spectroscopy. Yet it was by far the most powerful telescope ever built up to that time, and it was used to make fundamental discoveries. Its immense light-grasp meant that it could show objects quite beyond the range of any other existing instrument.
40#
發(fā)表于 2025-3-28 11:10:46 | 只看該作者
Palomar,iginal reflector; then the Rosse Leviathan, and in the twentieth century the 100-inch at Mount Wilson. Next in sequence comes the Palomar 200-inch, which again was the brainchild of that remarkable man George Ellery Hale.
 關(guān)于派博傳思  派博傳思旗下網(wǎng)站  友情鏈接
派博傳思介紹 公司地理位置 論文服務(wù)流程 影響因子官網(wǎng) 吾愛論文網(wǎng) 大講堂 北京大學(xué) Oxford Uni. Harvard Uni.
發(fā)展歷史沿革 期刊點(diǎn)評(píng) 投稿經(jīng)驗(yàn)總結(jié) SCIENCEGARD IMPACTFACTOR 派博系數(shù) 清華大學(xué) Yale Uni. Stanford Uni.
QQ|Archiver|手機(jī)版|小黑屋| 派博傳思國(guó)際 ( 京公網(wǎng)安備110108008328) GMT+8, 2025-10-19 07:51
Copyright © 2001-2015 派博傳思   京公網(wǎng)安備110108008328 版權(quán)所有 All rights reserved
快速回復(fù) 返回頂部 返回列表
新乡市| 浦东新区| 将乐县| 宝丰县| 德阳市| 肇庆市| 沁水县| 富宁县| 五常市| 铁力市| 沂水县| 叙永县| 东安县| 什邡市| 合肥市| 海城市| 宝清县| 蓝田县| 金沙县| 贵州省| 毕节市| 凌海市| 揭阳市| 阿图什市| 乳源| 即墨市| 石柱| 嘉荫县| 东兴市| 永昌县| 鹤壁市| 阿拉尔市| 永泰县| 正阳县| 和田县| 河北区| 邓州市| 禹州市| 胶州市| 金华市| 宁德市|